CN112670781B - Multifunctional data line connection kit - Google Patents
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- CN112670781B CN112670781B CN202110089846.7A CN202110089846A CN112670781B CN 112670781 B CN112670781 B CN 112670781B CN 202110089846 A CN202110089846 A CN 202110089846A CN 112670781 B CN112670781 B CN 112670781B
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Abstract
A multifunctional data line connection kit comprises a data line 1, a first adapter 2 and a second adapter 3, wherein two ends of the data line are USB-Type C male heads; one end of the first adapter 2 is a USB-Micro B male head, and the other end is a USB-Type C female head; the Micro B adapter circuit comprises a pull-down identification resistor connected between terminals of the CC electrical management network and the GND electrical execution network in a bridging manner; one end of the second adapter 3 is a Lightning male head, and the other end is a USB-Micro B female head. The application has the beneficial effects that: 1. the data transmission and the charging of most mobile phones or other digital equipment in the market can be supported, and the user experience can be greatly improved; 2. meanwhile, the mandatory authentication requirement of the MFI on the production and the manufacture of the Lightning product is met, the MFI LOGO can be used in an MFI authorized state, and meanwhile, the risk of equipment damage or poor use experience caused by using non-genuine apple accessories can be avoided for consumers; 3. the use cost of the finished wire of the consumer data line is reduced, the production and use of plastics are reduced, and the environment is protected.
Description
Technical Field
The application relates to the technical field of electronics, in particular to a multifunctional data line connection kit.
Background
In the existing mobile phone products, the data and charging ports are a USB Micro B female socket port, a USB Type C female socket port and a Lightning female socket port for a long time, and when the mobile phones and computers or other devices with different ports are charged or data are transmitted, the USB2.0 protocol is used as a basic protocol specification, but different handshake protocols are used under the protocol.
Because the Lightning female port mobile phone is a port only supporting an apple mobile phone, in a closed IOS mobile phone system of an apple company, an MFI (MFI) authentication system is established based on a USB2.0 protocol, related accessories supporting the apple mobile phone are strictly standardized to meet the MFI specification, related MFI authentication is required to be obtained, and an MFI LOGO is marked, so that consumers can experience pleasant consumption experience brought by a genuine product to a greater extent, meanwhile, the non-authenticated product is controlled to flood the market, the bad market behavior of good money is eliminated by bad coin, and the Lightning port has a unique handshake protocol when connected with equipment and cannot directly receive signals of the USB protocol specification.
In view of the above two market conditions, the wires cannot be unified when the three port mobile phones on the market perform data and charge with other devices, in particular, in public charging devices, hotel internet bars have use scenes and places where people flow frequently, or consumers use a plurality of mobile phones, which is inconvenient.
In this regard, there is a need to develop a reliable and well-experienced multi-function data line connection kit.
Disclosure of Invention
The present application aims to solve at least to some extent one of the above technical problems.
Therefore, the application aims to provide a multifunctional data line connection kit which is reliable in use, good in user experience and environment-friendly in use.
In order to achieve the above purpose, the embodiment of the application discloses a multifunctional data line connection kit, which comprises a data line (1), a first adapter (2) and a second adapter (3), wherein two ends of the data line are USB-Type C male heads; one end of the first adapter (2) is a USB-Micro B male connector, the other end of the first adapter is a USB-Type C female connector, and the USB-Micro B male connector and the USB-Type C female connector are electrically connected through a Micro B adapter circuit; the Micro B adapter circuit comprises a pull-down identification resistor connected between terminals of the CC electrical management network and the GND electrical execution network in a bridging manner; one end of the second adapter (3) is a Lightning male head, the other end of the second adapter is a USB-Micro B female head, and the Lightning male head and the USB-Micro B female head are electrically connected through a Lightning adapter circuit; after the data line (1) is connected and assembled with the other end of the first adapter (2), the data line can be connected with a USB-Type C port and a USB-Micro B port, so that equipment is charged or data are exchanged; after the data line (1) is connected and assembled with the other end of the first adapter (2), one end of the first adapter (2) is connected and assembled with the other end of the second adapter (3), so that the data line can be connected with a USB-Type C port and a lighting port, and equipment is charged or data are exchanged; because the Micro B adapter circuit of the first adapter (2) is provided with a pull-down identification resistor, an internal handshake protocol of the Lightning plug is activated, and therefore the normal charging or data exchange function of the Lightning port is realized.
In addition, the multifunctional data line connection kit according to the above technical solution of the present application may further have the following additional technical features:
Optionally, the USB-Type connector further comprises A third adapter (4), wherein one end of the third adapter (4) is A USB-A male connector, the other end of the third adapter is A USB-Type C female connector, and the USB-A male connector and the USB-Type C female connector are electrically connected through A USB-A adapter circuit; after the datA line (1) is connected and assembled with the other end of the third adapter (4), the datA line can be connected with A USB-Type C port and A USB-A port; when the datA line (1), the first adapter (2) and the third adapter (4) are used in combination, the connection between the USB-A port and the USB-Micro B port can be realized; when the datA line (1), the first adapter (2), the second adapter (3) and the third adapter (4) are used in combination, connection between the USB-A port and the Lightning port can be achieved.
Optionally, the USB-A adapter line is connected across A pull-up identification resistor between terminals of the CC electrical management network and the VBus electrical execution network.
Optionally, the first adapter (2) is two or more.
Optionally, the model of the Lightning plug of the second adapter (3) is C89.
Optionally, terminals of the GND electric execution network of the USB-Type C male heads at two ends of the data line (1) are respectively and independently grounded; terminals of the VBus electric execution network of the USB-Type C male heads at two ends of the data line (1) are electrically connected with each other; CC electrical management networks of USB-Type C male heads at two ends of the data line (1) are electrically connected with each other; DP1 terminals of the USB-Type C male heads at two ends of the data line (1) are mutually and electrically connected, and DN1 terminals are mutually and electrically connected.
Optionally, terminals of the GND electric execution network of the USB-Micro B male connector and the GND electric execution network of the USB-Type C female connector of the first adapter (2) are respectively and independently grounded; the GND electric execution network of the USB-Type C female head of the first adapter (2) is electrically connected with the CC electric management network through a pull-down resistor; the D+ terminal of the USB-Micro B male head of the first adapter (2) is electrically connected with the DP1 terminal of the USB-Type C female head; the D-terminal of the USB-Micro B male head of the first adapter (2) is electrically connected with the DN1 terminal of the USB-Type C female head; the terminals of the VBus electric execution network of the USB-Micro B male head and the USB-Type C female head of the first adapter (2) are electrically connected with each other.
Optionally, terminals of the GND electric execution network of the USB-Micro B female connector and the Lightning male connector of the second adapter (3) are respectively and independently grounded; the USB-Micro B female head of the second adapter (3) is electrically connected with the D+ terminal and the D-terminal of the lighting male head; and the USB-Micro B female head of the second adapter (3) is electrically connected with a terminal of the VBus electric execution network of the Lightning male head.
Optionally, terminals of the GND electric execution network of the USB-Type C female head and the USB-A male head of the third adapter (4) are respectively grounded independently; the D+ terminal of the USB-Type C female head of the third adapter (4) is electrically connected with the DP1 terminal of the USB-A male head; the D-terminal of the USB-Type C female head of the third adapter (4) is electrically connected with the DN1 terminal of the USB-A male head; and the VBus electric execution network of the USB-Type C female head of the third adapter (4) and the terminals of the CC electric management network are electrically connected with each other through a pull-up resistor.
Optionally, a storage box for storing is further included.
The application has the beneficial effects that: 1. the data transmission and the charging of most mobile phones or other digital equipment in the market can be supported, and the user experience can be greatly improved; 2. meanwhile, the mandatory authentication requirement of the MFI on the production and the manufacture of the Lightning product is met, the MFI LOGO can be used in an MFI authorized state, and meanwhile, the risk of equipment damage or poor use experience caused by using non-genuine apple accessories can be avoided for consumers; 3. the use cost of the finished wire of the consumer data line is reduced, so that the connection is more firm and safer; 4. the consumption of non-degradable plastic brought by using various port data wires is reduced, and the environmental pollution brought by the data wire materials in the production process is reduced, so that the product is more environment-friendly; 5. the expansibility between the Lightning connector and the Type-C connector is improved.
Drawings
Fig. 1 is a product structure diagram of a multifunctional data line connection kit according to an embodiment of the present application.
Fig. 2 is a connection schematic diagram of a multifunctional data line connection kit according to another embodiment of the present application.
Fig. 3 is a circuit diagram of a data line of a multifunctional data line connection kit according to another embodiment of the present application.
Fig. 4 is a circuit diagram of a first adapter of a multifunctional data line connection kit according to another embodiment of the present application.
Fig. 5 is a circuit diagram of a second adapter of the multifunctional data line connection kit according to another embodiment of the present application.
Fig. 6 is a circuit diagram of a third adapter of the multifunctional data line connection kit according to another embodiment of the present application.
Fig. 7 is a storage box usage state diagram of a multifunctional data line connection kit according to another embodiment of the present application.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or components/elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application.
The following describes a multifunctional data line connection kit according to an embodiment of the present application with reference to the accompanying drawings.
Fig. 1 is a product structure diagram of a multifunctional data line connection kit according to an embodiment of the present application, fig. 2 is a connection schematic diagram of a multifunctional data line connection kit according to another embodiment of the present application, and fig. 4 is a circuit diagram of a first adapter of a multifunctional data line connection kit according to another embodiment of the present application. As shown in fig. 1-2 and fig. 4: the multifunctional data line connection kit comprises a data line 1, a first adapter 2 and a second adapter 3, wherein two ends of the data line are USB-Type C male heads; one end of the first adapter 2 is a USB-Micro B male connector, the other end of the first adapter is a USB-Type C female connector, and the USB-Micro B male connector and the USB-Type C female connector are electrically connected through a Micro B adapter circuit; the Micro B adapter circuit comprises a pull-down identification resistor connected between terminals of the CC electrical management network and the GND electrical execution network in a bridging manner; one end of the second adapter 3 is a Lightning male connector, the other end of the second adapter is a USB-Micro B female connector, and the Lightning male connector and the USB-Micro B female connector are electrically connected through a Lightning adapter circuit; after the data line 1 is connected and assembled with the other end of the first adapter 2, the data line can be connected with the USB-Type C port and the USB-Micro B port, so that the equipment is charged or data are exchanged; after the data line 1 is connected and assembled with the other end of the first adapter 2, one end of the first adapter 2 is connected and assembled with the other end of the second adapter 3, so that the data line can realize the connection between the USB-Type C port and the lighting port, and the equipment is charged or data are exchanged; as the Micro B adapter circuit of the first adapter 2 is provided with the pull-down identification resistor, the internal handshake protocol of the Lightning plug is activated, and therefore the normal charging or data exchange function of the Lightning port is realized.
Specifically, the MFI authentication of apple company only accepts the adaptor (i.e. the second adaptor 3) of the Lightning male-USB-Micro B female, so that only the data line of the USB a male-USB Micro B male can be matched for use in the market, and can be matched for group to jointly apply for passing the MFI authentication, so that the limitation is very large during use, and only the connection between the Lightning female apple device and the digital power equipment using the USB a female can be adapted, and all digital products in the market can not be adapted. Therefore, the application improves the process, on the basis of the original second adapter 3, the data line 1, the first adapter 2 and the third adapter 4 are designed to be used as a connecting sleeve, and the adapting range of products is expanded through the butt joint combination of male plugs and female plugs. Apple equipment with a Lightning female head can be used in the market, digital or power-off equipment with a Micro female head is used, digital or power-off equipment with a Type C female head is used, and digital or power-off equipment with a USB A female head is used for seamless butt joint.
More specifically, when data line 1 is used alone, USB Type C is the standard to USB Type C data line.
When the data line 1 and the first adapter 2 are matched for use to realize a combined state, a pull-down identification resistor is bridged between terminals of the CC electrical management network and the GND electrical execution network in an internal circuit of the first adapter 2, so that the functions of converting USB Type C into USB Micro B data transmission and charging are realized, the USB Type C end is a Host end, and the USB Micro B end is a Devise end.
When the second adapter 3, the first adapter 2 and the data line 1 are matched to realize a combined state, a pull-down identification resistor is connected between terminals of the CC electrical management network and the GND electrical execution network in a bridging mode of an internal circuit of the first adapter 2, and a Lightning internal handshake protocol is activated, so that the USB Type C-to-MFI LIGHTNING data exchange and charging function is realized.
According to the multifunctional data line connection kit, the first adapter 2 is used as a communication bridge for data transmission or charging, so that the data transmission and charging functions of the Lightning port and the USB Type C port can be smoothly realized; because the second adapter 3 is an MFI authentication product, when other suites are matched for use, the whole set of products can meet the forced authentication requirements of the production and manufacture of the MFI product, the MFI LOGO can be used in an MFI authorized state, meanwhile, the risks of equipment damage or poor use experience caused by using non-genuine apple accessories by consumers can be avoided, and the user experience is improved; one data line and one set of adapters can be used, so that a user is prevented from carrying a plurality of data lines with different adapters, the use cost of the finished wire of the consumer data line is reduced, the connection is more firm and safer, the non-degradable plastic consumption caused by using various port data lines is reduced, and the environmental pollution caused by the data line material in the production process is reduced, so that the product is more environment-friendly; the expansibility between the Lightning connector and the Type-C connector is improved.
According to one embodiment of the application, the USB-Type connector further comprises A third adapter 4, one end of the third adapter 4 is A USB-A male connector, the other end of the third adapter 4 is A USB-Type C female connector, and the USB-A male connector and the USB-Type C female connector are electrically connected through A USB-A adapter circuit; after the datA line 1 is connected and assembled with the other end of the third adapter 4, the datA line can be connected with the USB-Type C port and the USB-A port; when the datA line 1, the first adapter 2 and the third adapter 4 are used in combination, the connection between the USB-A port and the USB-Micro B port can be realized; when the datA line 1, the first adapter 2, the second adapter 3 and the third adapter 4 are used in combination, the connection between the USB-A port and the lighting port can be realized.
Fig. 6 is A circuit diagram of A third adapter of A multifunctional datA line connection kit according to another embodiment of the present application, where, as shown in fig. 6, A USB-A adapter line is connected across A pull-up identification resistor between terminals of A CC electrical management network and A VBus electrical execution network.
Specifically, when the datA line 1 and the third adapter 4 are matched to be used to realize A combination state, A pull-up identification resistor is bridged between terminals of the CC electrical management network and the VBus electrical execution network in the internal circuit of the third adapter 4, so that the USB-A to USB Type C datA transmission and charging function is realized.
When the data line 1, the first adapter 2 and the third adapter 4 are matched for use to realize a combined state, the third adapter 4 and the internal circuit identification resistor of the first adapter 2 do not participate in a loop, so that the functions of transmitting and flushing data from the USB A to the USB Micro B are realized.
When the data line 1, the first adapter 2, the second adapter 3 and the third adapter 4 are matched for use to realize a combined state, the identification resistor of the internal circuit of the third adapter 4 and the first adapter 2 does not participate in a loop, and the Lightning communication decoding protocol and the power management are accessed according to a standard USB A-to-USB Micro B mode, so that the USB A-to-MFI LIGHTNING data transmission or charging function is realized.
According to the multifunctional datA line connection kit, the port expansibility of the multifunctional datA line connection kit is further improved, the requirement that an apple product is converted into USB Micro B and USB-A is met, and the mutual switching among USB-Type C, USB Micro B and USB-A is also met, so that the multifunctional datA line connection kit can support datA transmission and charging of most mobile phones or other digital equipment in the market, and A user can carry A set of product of the multifunctional datA line connection kit to meet the use requirement, and the multifunctional datA line connection kit is very convenient and has good user experience.
According to one embodiment of the application, the first adapter 2 is two or more.
Specifically, the first adapter 2 is connected to both ends of the data line 1, and the second adapter 3 is selectively connected according to requirements, so that the function of converting the USB Micro B male connector into the USB Micro B male connector or the Lightning male connector can be realized, and the expansibility of the product is further improved.
According to one embodiment of the application, the model number of the lighting plug of the second adapter 3 is C89.
In particular, in view of the MFI rule, the second adapter 3 is a model C89, and the model of adapter can enable the product to successfully obtain MFI certification of apple company, so as to ensure the use reliability of the product and avoid the influence on marketing, public praise or other adverse risks caused by the fact that the product cannot obtain MFI certification.
Fig. 3 is a circuit diagram of a data line of a multifunctional data line connection kit according to another embodiment of the present application. As shown in fig. 3: terminals of GND electric execution networks of USB-Type C male heads at two ends of the data line 1 are respectively and independently grounded; terminals of the VBus electric execution network of the USB-Type C male heads at two ends of the data line 1 are electrically connected with each other; CC electrical management networks of USB-Type C male heads at two ends of the data line 1 are electrically connected with each other; the DP1 terminals of the USB-Type C male heads at the two ends of the data line 1 are mutually electrically connected, and the DN1 terminals are mutually electrically connected.
According to one embodiment of the application, the terminals of the GND electric executing network of the USB-Micro B male head of the first adapter 2 are electrically connected to the NC terminals; terminals of GND electric execution networks of the USB-Micro B male head and the USB-Type C female head of the first adapter 2 are respectively and independently grounded; the D+ terminal of the USB-Micro B male head of the first adapter 2 is electrically connected with the DP1 terminal of the USB-Type C female head; the D-terminal of the USB-Micro B male head of the first adapter 2 is electrically connected with the DN1 terminal of the USB-Type C female head; the terminals of the VBus electrical execution network of the USB-Micro B male and USB-Type C female of the first adapter 2 are electrically connected to each other.
Fig. 5 is a circuit diagram of a second adapter of the multifunctional data line connection kit according to another embodiment of the present application. As shown in fig. 5, the terminals of the GND electric executing network of the USB-Micro B female head and the Lightning male head of the second adapter 3 are respectively grounded independently; the USB-Micro B female head of the second adapter 3 is electrically connected with the D+ terminal and the D-terminal of the lighting male head; the terminals of the VBus electrical execution network of the USB-Micro B female and the lighting male of the second adapter 3 are electrically connected to each other.
According to one embodiment of the application, the terminals of the GND electric executing network of the USB-Type C female and the USB-A male of the third adapter 4 are respectively grounded independently; the D+ terminal of the USB-Type C female head of the third adapter 4 is electrically connected with the DP1 terminal of the USB-A male head; the D-terminal of the USB-Type C female head of the third adapter 4 is electrically connected with the DN1 terminal of the USB-A male head; the VBus electric execution network of the USB-Type C female head of the third adapter (4) and the terminal of the CC electric management network are electrically connected with each other through a pull-up resistor.
The second adapter 3 is an official fitting, and an IC and a MOS tube for implementing a handshake protocol are also provided inside. The application connects the pull-down identification resistor between the terminals of the CC electric management network and the GND electric execution network through the first adapter 2, so that the product can support the USB2.0 standard communication protocol, and can activate the Lighting plug handshake protocol after the second adapter 3 is connected, so that the product can normally flush electricity and exchange data.
Fig. 7 is a storage box usage state diagram of a multifunctional data line connection kit according to another embodiment of the present application. As shown in fig. 7, the container further includes a storage case for storing.
Specifically, the multifunctional data line connection kit can be stored through the storage box, wherein the storage box is provided with the storage groove for storing the data line and the adapter, the storage groove is convenient for storing the data line and the adapter, and when the adapter is stored by the storage groove, a user can intuitively see whether the adapter is complete or not, so that the use of the multifunctional data line connection kit is more convenient for the user, the loss of the adapter can be prevented, and the user experience is improved.
The above embodiments are preferred embodiments of the present application, and besides, the present application may be implemented in other ways, and any obvious substitution is within the scope of the present application without departing from the concept of the present application.
Claims (7)
1. The multifunctional data line connection kit is characterized by comprising a data line (1), a first adapter (2) and a second adapter (3), wherein two ends of the data line are USB-Type C male heads;
One end of the first adapter (2) is a USB-Micro B male connector, the other end of the first adapter is a USB-Type C female connector, and the USB-Micro B male connector and the USB-Type C female connector are electrically connected through a Micro B adapter circuit; the Micro B adapter circuit comprises a pull-down identification resistor connected between terminals of the CC electrical management network and the GND electrical execution network in a bridging manner;
One end of the second adapter (3) is a Lightning male head, the other end of the second adapter is a USB-Micro B female head, and the Lightning male head and the USB-Micro B female head are electrically connected through a Lightning adapter circuit;
After the data line (1) is connected and assembled with the other end of the first adapter (2), the data line can be connected with a USB-Type C port and a USB-Micro B port, so that equipment is charged or data are exchanged; after the data line (1) is connected and assembled with the other end of the first adapter (2), one end of the first adapter (2) is connected and assembled with the other end of the second adapter (3), so that the data line can be connected with a USB-Type C port and a lighting port, and equipment is charged or data are exchanged; because the Micro B adapter circuit of the first adapter (2) is provided with a pull-down identification resistor, the internal handshake protocol of the Lightning plug is activated, and therefore the normal charging or data exchange function of the Lightning port is realized;
Terminals of the GND electric execution network of the USB-Type C male heads at two ends of the data line (1) are respectively and independently grounded; terminals of the VBus electric execution network of the USB-Type C male heads at two ends of the data line (1) are electrically connected with each other; CC electrical management networks of USB-Type C male heads at two ends of the data line (1) are electrically connected with each other; DP1 terminals of the USB-Type C male heads at two ends of the data line (1) are electrically connected with each other, and DN1 terminals are electrically connected with each other;
Terminals of GND electric execution networks of the USB-Micro B male head and the USB-Type C female head of the first adapter (2) are respectively and independently grounded; the GND electric execution network of the USB-Type C female head of the first adapter (2) is electrically connected with the CC electric management network through a pull-down resistor; the D+ terminal of the USB-Micro B male head of the first adapter (2) is electrically connected with the DP1 terminal of the USB-Type C female head; the D-terminal of the USB-Micro B male head of the first adapter (2) is electrically connected with the DN1 terminal of the USB-Type C female head; terminals of VBus electric execution networks of the USB-Micro B male head and the USB-Type C female head of the first adapter (2) are electrically connected with each other;
Terminals of the GND electric execution network of the USB-Micro B female head and the Lightning male head of the second adapter (3) are respectively and independently grounded; the USB-Micro B female head of the second adapter (3) is electrically connected with the D+ terminal and the D-terminal of the lighting male head; and the USB-Micro B female head of the second adapter (3) is electrically connected with a terminal of the VBus electric execution network of the Lightning male head.
2. The multi-purpose data line connection kit of claim 1, wherein: the USB-Type connector further comprises A third adapter (4), one end of the third adapter (4) is A USB-A male connector, the other end of the third adapter is A USB-Type C female connector, and the USB-A male connector and the USB-Type C female connector are electrically connected through A USB-A adapter circuit; after the datA line (1) is connected and assembled with the other end of the third adapter (4), the datA line can be connected with A USB-Type C port and A USB-A port; when the datA line (1), the first adapter (2) and the third adapter (4) are used in combination, the connection between the USB-A port and the USB-Micro B port can be realized; when the datA line (1), the first adapter (2), the second adapter (3) and the third adapter (4) are used in combination, connection between the USB-A port and the Lightning port can be achieved.
3. A multi-function data line connection kit as claimed in claim 2, wherein: the USB-A adapter line is connected across A pull-up identification resistor between terminals of the CC electrical management network and the VBus electrical execution network.
4. The multi-purpose data line connection kit of claim 1, wherein: the number of the first adapter (2) is more than two.
5. The multi-purpose data line connection kit of claim 1, wherein: the model of the Lightning plug of the second adapter (3) is C89.
6. A multi-function data line connection kit as claimed in claim 2, wherein: terminals of the GND electric execution network of the USB-Type C female connector and the GND electric execution network of the USB-A male connector of the third adapter (4) are respectively and independently grounded; the D+ terminal of the USB-Type C female head of the third adapter (4) is electrically connected with the DP1 terminal of the USB-A male head; the D-terminal of the USB-Type C female head of the third adapter (4) is electrically connected with the DN1 terminal of the USB-A male head; and the VBus electric execution network of the USB-Type C female head of the third adapter (4) and the terminals of the CC electric management network are electrically connected with each other through a pull-up resistor.
7. The multi-purpose data line connection kit of claim 1, wherein: still including the receiver that is used for accomodating.
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| CN202110089846.7A CN112670781B (en) | 2021-01-22 | 2021-01-22 | Multifunctional data line connection kit |
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| CN112670781B true CN112670781B (en) | 2024-09-03 |
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| CN215343286U (en) * | 2021-01-22 | 2021-12-28 | 广东铭基高科电子股份有限公司 | Multifunctional data line connecting kit |
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| CN207381673U (en) * | 2017-10-17 | 2018-05-18 | 深圳市伟丰达工艺制品有限公司 | A kind of multi-interface data line |
| CN110444977B (en) * | 2019-09-06 | 2024-02-13 | 东莞市兆达电子有限公司 | Quick-charging data line with safety protocol and implementation method thereof |
| CN211428961U (en) * | 2020-03-05 | 2020-09-04 | 新嘉数码电子(深圳)有限公司 | Multi-interface charging seat circuit |
| CN211579139U (en) * | 2020-04-07 | 2020-09-25 | 东莞市隆佳展能源科技有限公司 | Two unification charging wires and charger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215343286U (en) * | 2021-01-22 | 2021-12-28 | 广东铭基高科电子股份有限公司 | Multifunctional data line connecting kit |
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| CN112670781A (en) | 2021-04-16 |
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